66306880

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1901}}^1$

素因数の和:2027

約数の個数: 56

約数和(自身を含む): 159425640

約数和(自身を除く): 93118760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 1901, 2180, 3488, 3802, 4360, 6976, 7604, 8720, 9505, 15208, 17440, 19010, 30416, 34880, 38020, 60832, 76040, 121664, 152080, 207209, 304160, 414418, 608320, 828836, 1036045, 1657672, 2072090, 3315344, 4144180, 6630688, 8288360, 13261376, 16576720, 33153440, 66306880]

約数ペア:

[(1, 66306880), (2, 33153440), (4, 16576720), (5, 13261376), (8, 8288360), (10, 6630688), (16, 4144180), (20, 3315344), (32, 2072090), (40, 1657672), (64, 1036045), (80, 828836), (109, 608320), (160, 414418), (218, 304160), (320, 207209), (436, 152080), (545, 121664), (872, 76040), (1090, 60832), (1744, 38020), (1901, 34880), (2180, 30416), (3488, 19010), (3802, 17440), (4360, 15208), (6976, 9505), (7604, 8720)]